Not all i386 / x86_64 hosts use ELF. Ask the compiler whether ELF is used. On w64, gdb crashes when ELF_HOST_MACHINE is defined.
v2: Compile tcg_register_jit only for ELF host machines. This fixes builds for MinGW32 (thanks, Blue Swirl). Cc: Blue Swirl <blauwir...@gmail.com> Cc: Richard Henderson <r...@twiddle.net> Signed-off-by: Stefan Weil <s...@weilnetz.de> --- tcg/i386/tcg-target.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index 871a7e7..323ba61 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -2102,7 +2102,9 @@ typedef struct { DebugFrameFDE fde; } DebugFrame; -#if TCG_TARGET_REG_BITS == 64 +#if !defined(__ELF__) + /* Host machine without ELF. */ +#elif TCG_TARGET_REG_BITS == 64 #define ELF_HOST_MACHINE EM_X86_64 static DebugFrame debug_frame = { .cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */ @@ -2156,6 +2158,7 @@ static DebugFrame debug_frame = { }; #endif +#if defined(ELF_HOST_MACHINE) void tcg_register_jit(void *buf, size_t buf_size) { /* We're expecting a 2 byte uleb128 encoded value. */ @@ -2166,3 +2169,4 @@ void tcg_register_jit(void *buf, size_t buf_size) tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame)); } +#endif /* ELF_HOST_MACHINE */ -- 1.7.9